JPH02501024A - Ｐｃｍ信号符号化 - Google Patents

Ｐｃｍ信号符号化

Info

Publication number
JPH02501024A
JPH02501024A JP63506080A JP50608088A JPH02501024A JP H02501024 A JPH02501024 A JP H02501024A JP 63506080 A JP63506080 A JP 63506080A JP 50608088 A JP50608088 A JP 50608088A JP H02501024 A JPH02501024 A JP H02501024A
Authority
JP
Japan
Prior art keywords
signal
probability
quantization
quantization level
assigned
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP63506080A
Other languages
English (en)
Japanese (ja)
Inventor
フアルクナー，ダビツト・ウインフオード
Original Assignee
ブリテツシユ・テレコミユニケイシヨン・パブリツク・リミテツド・カンパニー
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ブリテツシユ・テレコミユニケイシヨン・パブリツク・リミテツド・カンパニー filed Critical ブリテツシユ・テレコミユニケイシヨン・パブリツク・リミテツド・カンパニー
Publication of JPH02501024A publication Critical patent/JPH02501024A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/504—Laser transmitters using direct modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • H04B10/524—Pulse modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Dc Digital Transmission (AREA)
  • Optical Communication System (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
JP63506080A 1987-07-20 1988-07-20 Ｐｃｍ信号符号化 Pending JPH02501024A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB878717124A GB8717124D0 (en) 1987-07-20 1987-07-20 P c m signal coding
GB8717124 1987-07-20

Publications (1)

Publication Number Publication Date
JPH02501024A true JPH02501024A (ja) 1990-04-05

Family

ID=10620979

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63506080A Pending JPH02501024A (ja) 1987-07-20 1988-07-20 Ｐｃｍ信号符号化

Country Status (10)

Country Link
US (1) US5062152A (de)
EP (1) EP0300771B1 (de)
JP (1) JPH02501024A (de)
AT (1) ATE94706T1 (de)
AU (1) AU599822B2 (de)
CA (1) CA1293828C (de)
DE (1) DE3884086T2 (de)
GB (1) GB8717124D0 (de)
HK (1) HK134896A (de)
WO (1) WO1989000790A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
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JP2006287927A (ja) * 2005-04-04 2006-10-19 Alcatel 受動光ネットワークを動作させる方法

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US5278527A (en) * 1992-07-17 1994-01-11 Motorola, Inc. Dielectric filter and shield therefor
FR2695277B1 (fr) * 1992-08-28 1994-10-07 Inst Francais Du Petrole Procédé et dispositif de transmission numérisée de signaux.
CN1155163C (zh) * 1995-11-29 2004-06-23 皇家菲利浦电子有限公司 用于非线性传输介质的传输系统
SE512613C2 (sv) * 1996-12-30 2000-04-10 Ericsson Telefon Ab L M Metod och organ för informationshantering
US6091347A (en) * 1997-05-23 2000-07-18 Sony Corporation Device and method for modulation and transmission medium
US6553535B1 (en) 1998-08-21 2003-04-22 Massachusetts Institute Of Technology Power-efficient communication protocol
US7376105B2 (en) * 1998-08-21 2008-05-20 Massachusetts Institute Of Technology Source coding for interference reduction
US8188878B2 (en) 2000-11-15 2012-05-29 Federal Law Enforcement Development Services, Inc. LED light communication system
US7068946B2 (en) 2001-01-23 2006-06-27 At&T Corp. Modulation scheme for tedons
US20020141402A1 (en) * 2001-03-08 2002-10-03 Chang Li-Tien Telecommunication auto-looper
US6836226B2 (en) * 2002-11-12 2004-12-28 Pulse-Link, Inc. Ultra-wideband pulse modulation system and method
US7212681B1 (en) * 2003-01-15 2007-05-01 Cisco Technology, Inc. Extension of two-dimensional variable length coding for image compression
US7194137B2 (en) * 2003-05-16 2007-03-20 Cisco Technology, Inc. Variable length coding method and apparatus for video compression
US20050271150A1 (en) * 2004-06-07 2005-12-08 Steve Moore Digital modulation system and method
US7499595B2 (en) * 2004-08-18 2009-03-03 Cisco Technology, Inc. Joint amplitude and position coding for photographic image and video coding
US7454073B2 (en) * 2004-06-15 2008-11-18 Cisco Technology, Inc. Video compression using multiple variable length coding processes for multiple classes of transform coefficient blocks
US7492956B2 (en) * 2004-08-18 2009-02-17 Cisco Technology, Inc. Video coding using multi-dimensional amplitude coding and 2-D non-zero/zero cluster position coding
US7499596B2 (en) * 2004-08-18 2009-03-03 Cisco Technology, Inc. Amplitude coding for clustered transform coefficients
US7454076B2 (en) * 2004-06-15 2008-11-18 Cisco Technology, Inc. Hybrid variable length coding method for low bit rate video coding
US7471841B2 (en) * 2004-06-15 2008-12-30 Cisco Technology, Inc. Adaptive breakpoint for hybrid variable length coding
US7471840B2 (en) * 2004-08-18 2008-12-30 Cisco Technology, Inc. Two-dimensional variable length coding of runs of zero and non-zero transform coefficients for image compression
US7620258B2 (en) * 2004-08-18 2009-11-17 Cisco Technology, Inc. Extended amplitude coding for clustered transform coefficients
US7680349B2 (en) * 2004-08-18 2010-03-16 Cisco Technology, Inc. Variable length coding for clustered transform coefficients in video compression
US7573952B1 (en) * 2005-08-23 2009-08-11 Sun Microsystems, Inc. Barycentric coordinate technique for resampling quantized signals
US7242328B1 (en) * 2006-02-03 2007-07-10 Cisco Technology, Inc. Variable length coding for sparse coefficients
US9294198B2 (en) 2007-05-24 2016-03-22 Federal Law Enforcement Development Services, Inc. Pulsed light communication key
US9414458B2 (en) 2007-05-24 2016-08-09 Federal Law Enforcement Development Services, Inc. LED light control assembly and system
US9258864B2 (en) 2007-05-24 2016-02-09 Federal Law Enforcement Development Services, Inc. LED light control and management system
US11265082B2 (en) 2007-05-24 2022-03-01 Federal Law Enforcement Development Services, Inc. LED light control assembly and system
US9100124B2 (en) 2007-05-24 2015-08-04 Federal Law Enforcement Development Services, Inc. LED Light Fixture
WO2008148039A1 (en) 2007-05-24 2008-12-04 Federal Law Enforcement Development Services, Inc. Led light communication system
US9455783B2 (en) 2013-05-06 2016-09-27 Federal Law Enforcement Development Services, Inc. Network security and variable pulse wave form with continuous communication
US8890773B1 (en) 2009-04-01 2014-11-18 Federal Law Enforcement Development Services, Inc. Visible light transceiver glasses
US9265112B2 (en) 2013-03-13 2016-02-16 Federal Law Enforcement Development Services, Inc. LED light control and management system
US20150198941A1 (en) 2014-01-15 2015-07-16 John C. Pederson Cyber Life Electronic Networking and Commerce Operating Exchange
US20170048953A1 (en) 2015-08-11 2017-02-16 Federal Law Enforcement Development Services, Inc. Programmable switch and system
US10101049B2 (en) 2015-11-12 2018-10-16 Oracle International Corporation Determining parameters of air-cooling mechanisms
US10069519B1 (en) * 2018-01-23 2018-09-04 Mitsubishi Electric Research Laboratories, Inc. Partition based distribution matcher for probabilistic constellation shaping

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6074780A (ja) * 1983-09-29 1985-04-27 Matsushita Electric Ind Co Ltd 符号化装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH564889A5 (de) * 1973-11-28 1975-07-31 Patelhold Patentverwertung
US4430670A (en) * 1982-03-12 1984-02-07 Bell Telephone Laboratories, Incorporated Reconstruction of quantized DPCM or PCM signals
DE3233956A1 (de) * 1982-09-14 1984-03-15 Robert Bosch Gmbh, 7000 Stuttgart Pulscodemodulationssystem
US4562426A (en) * 1982-11-08 1985-12-31 Codex Corporation Symbol coding apparatus
US4528550A (en) * 1983-10-31 1985-07-09 Northern Telecom Limited Method and apparatus for code conversion of binary of multilevel signals
US4667337A (en) * 1985-08-28 1987-05-19 Westinghouse Electric Corp. Integrated circuit having outputs configured for reduced state changes
JPS62152225A (ja) * 1985-12-26 1987-07-07 Canon Inc 予測符号化装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6074780A (ja) * 1983-09-29 1985-04-27 Matsushita Electric Ind Co Ltd 符号化装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006287927A (ja) * 2005-04-04 2006-10-19 Alcatel 受動光ネットワークを動作させる方法

Also Published As

Publication number Publication date
AU599822B2 (en) 1990-07-26
DE3884086D1 (de) 1993-10-21
CA1293828C (en) 1991-12-31
ATE94706T1 (de) 1993-10-15
GB8717124D0 (en) 1987-08-26
DE3884086T2 (de) 1994-03-10
HK134896A (en) 1996-08-02
WO1989000790A1 (en) 1989-01-26
AU2084088A (en) 1989-02-13
EP0300771A1 (de) 1989-01-25
EP0300771B1 (de) 1993-09-15
US5062152A (en) 1991-10-29

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